I am a prime number.
The double of myself is equal to the square of me.

which number am I?

What is the Surname of Barbie Doll?

What time is it when an elephant sits on a fence?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

Decode below rebus
D
N
A
T
S , D

There is something which is always coming but never arrives?

What does this below rebus puzzle mean?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Spot what is wrong here in below Picture?

The more of this there is, the less you see. What is it?